Originally posted by JD60538:
Not bring a post back from the dead but, I'm sure thre second # is the ammount of detergents in the oil. for example: 5W - 30 means 5weight - 30 detergent grade

detergents are used in engine oils to protect the level of viscosity and to help prevent thermal breakdown.




WHAT??????


I thought it was the weight of the oil Vs. the viscosity.....Where did you get detergent level??? Or was that something you guessed?


Roz

Last edited by Roz 1999 SVT-C; 08/15/03 10:25 PM.
3.0 SVT hybrid...all the fixens...Track/Race ready very soon!!!!!! 20,000 + miles